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Flower Fruits & Seed

Abeka Biology Chp 3

Sepals The leaf like structures attached to the edge of the receptacle.
petals The most conspicuous part of the flower.
corolla Name when the petals are collected together. Some petals can be fused together to form 1 trumpet like structure.
stamen Organs within the corolla that produce pollen.
filament A slender, elongated stalk.
anther Is the enlarged structure at the tip of the filament that produces pollen.
pollen Tiny grains that consist of male reproductive cells with its own definite shape and size.
What is the purpose for Sepals? To enclose & protect the flower's petals.
How do petals play an important role in pollination? They attract insects with their showy colors & sweet nectar.
Name 2 parts of Stamen. Filament & anther.
Pollen contains what reproductive cells? Male reproductive cells called sperm.
Pistil The elongated, vase shaped structure of a flower.
Name the 3 parts of the Pistil. Stigma, style, and ovary.
Ovary Swollen section located at the base of pistil. Holds the Ovules.
Ovules Future seeds which contain the female reproductive cells known as egg cells. When fertilized, they develop into seeds.
Stigma Top of pistil that is sticky and receives the pollen grains at pollination.
style The stalklike structure that connects the ovary to the tip of the pistil.
bracts Special leaves that appear to be its petals.
inflorescences Plants that bear their flowers in clusters.
photoperiodism Phenomenon where plants require a definite period of light and dark before they will produce flowers.
fruit When ovary is fully ripened.
pollination A process when pollen reaches the pistil to fuse with the ovules in the ovary.
hybrid Cross-pollination between plants belonging to different species of the same plant.
nectar A sweet tasting, watery liquid produced by plants.
fertilization When ovules begin developing into seeds due to the sperm cell fusing with the egg cell.
sexual reproduction The type of reproduction which sperm & egg unite.
legume Simple fruit that consist of a pod enclosing several seeds.
bran In wheat, a shell-like fruit covering.
chaff Outer most layer of wheat. Covers the bran.
germination Sprouting of a seed.
dormancy When a plant stops growing for a period of time..
ednosperm Makes up 85% of wheat kernel and is the part used in making white flour.
Primary purpose of flowers to a plant? To produce seeds for reproduction.
Another name for a flower stalk? Pedicel
Chief factor affecting when most plants flower. The length of daylight and night.
Eight groups of simple fruits. Berries, drupes, pomes, legumes, samaras, nuts, grains, achenes
Five important cereal grains Barley, oats, rye, corn, rice
Four parts of a wheat kernel Husk, bran, endosperm, germ
Three main parts of a seed embryo plant, endosperm, & seed coat
Three parts of embryo Plumule, radicle, cotyledon(s)
Five factors that favor seed germination the amount of moisture available, amount of oxygen available, temperature, soil conditions, amount of sunlight available.
Created by: kreynoldsdive